121728568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2288

約数の個数: 64

約数和(自身を含む): 268773120

約数和(自身を除く): 147044552

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 403, 442, 527, 806, 884, 1054, 1612, 1768, 2108, 2221, 3224, 4216, 4442, 6851, 8884, 13702, 17768, 27404, 28873, 37757, 54808, 57746, 68851, 75514, 115492, 137702, 151028, 230984, 275404, 302056, 490841, 550808, 895063, 981682, 1170467, 1790126, 1963364, 2340934, 3580252, 3926728, 4681868, 7160504, 9363736, 15216071, 30432142, 60864284, 121728568]

約数ペア:

[(1, 121728568), (2, 60864284), (4, 30432142), (8, 15216071), (13, 9363736), (17, 7160504), (26, 4681868), (31, 3926728), (34, 3580252), (52, 2340934), (62, 1963364), (68, 1790126), (104, 1170467), (124, 981682), (136, 895063), (221, 550808), (248, 490841), (403, 302056), (442, 275404), (527, 230984), (806, 151028), (884, 137702), (1054, 115492), (1612, 75514), (1768, 68851), (2108, 57746), (2221, 54808), (3224, 37757), (4216, 28873), (4442, 27404), (6851, 17768), (8884, 13702)]